hoydenism

Noun

 * 1) The behaviour of a hoyden.
 * 2) * 1899, Mary A. Ward, Life and works of the sisters Brontë, Introduction to Jane Eyre
 * And there can be no doubt that there was in Miss Bronte a curious vein of recklessness, roughness, one might also say - hoydenism - that exists side by side with an exquisite delicacy and a true dignity, and is none the less Irish and Celtic for that.